---
url: "https://pay.weixin.qq.com/doc/v3/partner/4012476927-curl.md"
title: "垫付退款回补-请求示例-curl"
doc_id: 4012476927
example_lang: "curl"
---

## curl


> POST

```
curl -X POST \
  https://api.mch.weixin.qq.com/v3/ecommerce/refunds/50000000382019052709732678859/return-advance \
  -H "Authorization: WECHATPAY2-SHA256-RSA2048 mchid=\"1900000001\",..." \
  -H "Accept: application/json" \
  -H "Content-Type: application/json" \
  -d '{
    "sub_mchid" : "1900000109"
  }'

```
